Cisco ASR 9904 Overview And Reference Guide

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Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
OL-17501-09
Chapter 1 Overview and Physical Description
Chassis Physical Overview
Cisco ASR 9904 Router
The Cisco ASR 9904 Router chassis is centered around a redundant pair of RSP cards, along with two
line cards. The 4-slot chassis size fits in Telco, EIA, and ETSI racks and cabinets.
The router supports the version 2 power system that has four power modules in the single power tray.
Figure 1-5 shows the slot locations for the chassis with a version 2 power tray.
Figure 1-5 Cisco ASR 9904 Router Chassis Components—Version 2 Power Tray
Cisco ASR 9922 Router
The Cisco ASR 9922 Router chassis is centered around a redundant pair of RP cards, seven redundant
FC cards, and twenty line cards. The 22-slot chassis size fits in Telco, EIA, and ETSI racks and cabinets.
The Cisco ASR 9922 Router chassis has two backplanes connected via up to seven FC cards and two RP
cards. The upper backplane connects to its one backplane identification (BPID) card, ten line cards, two
fan trays, and four power trays. The lower backplane connects to its BPID card, ten line cards, and two
fan trays.
The version 2 power system has four power modules in each of four power trays.
Figure 1-6 shows the slot locations for the chassis.
390179
Power shelf
Four AC/DC or DC/DC
power modules
Two slots reserved for
redndant RSPs
Line card 1
Line card 0
Side air exhaust
Side air intake

Cisco ASR 9904 Specifications

General

Brand	Cisco
Model	ASR 9904
Category	Network Router
Language	English